Commit 6ba55951 authored by Rob Herring (Arm)'s avatar Rob Herring (Arm)
Browse files

logic_pio: Constify fwnode_handle 



The fwnode_handle passed into find_io_range_by_fwnode() and
logic_pio_trans_hwaddr() are not modified, so make them const.

Reviewed-by: default avatarKrzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20241010-dt-const-v1-2-87a51f558425@kernel.org


Signed-off-by: default avatarRob Herring (Arm) <robh@kernel.org>
parent 1d31c6fc

include/linux/logic_pio.h

+3 −3
Original line number Diff line number Diff line
@@ -17,7 +17,7 @@ enum { 


struct logic_pio_hwaddr {

	struct list_head list;

	struct fwnode_handle *fwnode;

	const struct fwnode_handle *fwnode;

	resource_size_t hw_start;

	resource_size_t io_start;

	resource_size_t size; /* range size populated */
@@ -110,8 +110,8 @@ void logic_outsl(unsigned long addr, const void *buffer, unsigned int count); 
#endif /* CONFIG_INDIRECT_PIO */

#define MMIO_UPPER_LIMIT (IO_SPACE_LIMIT - PIO_INDIRECT_SIZE)



struct logic_pio_hwaddr *find_io_range_by_fwnode(struct fwnode_handle *fwnode);

unsigned long logic_pio_trans_hwaddr(struct fwnode_handle *fwnode,

struct logic_pio_hwaddr *find_io_range_by_fwnode(const struct fwnode_handle *fwnode);

unsigned long logic_pio_trans_hwaddr(const struct fwnode_handle *fwnode,

			resource_size_t hw_addr, resource_size_t size);

int logic_pio_register_range(struct logic_pio_hwaddr *newrange);

void logic_pio_unregister_range(struct logic_pio_hwaddr *range);

lib/logic_pio.c

+2 −2
Original line number Diff line number Diff line
@@ -122,7 +122,7 @@ void logic_pio_unregister_range(struct logic_pio_hwaddr *range) 
 *

 * Traverse the io_range_list to find the registered node for @fwnode.

 */

struct logic_pio_hwaddr *find_io_range_by_fwnode(struct fwnode_handle *fwnode)

struct logic_pio_hwaddr *find_io_range_by_fwnode(const struct fwnode_handle *fwnode)

{

	struct logic_pio_hwaddr *range, *found_range = NULL;
@@ -186,7 +186,7 @@ resource_size_t logic_pio_to_hwaddr(unsigned long pio) 
 *

 * Returns Logical PIO value if successful, ~0UL otherwise

 */

unsigned long logic_pio_trans_hwaddr(struct fwnode_handle *fwnode,

unsigned long logic_pio_trans_hwaddr(const struct fwnode_handle *fwnode,

				     resource_size_t addr, resource_size_t size)

{

	struct logic_pio_hwaddr *range;